Just about anything from 2018 or newer meets the hardware requirements, but at time of release (October 2021) that was just over 3 years. Ryzen 2000 and Intel 8000 are the initial entry level.l that meet the requirements.

Unless you used 2+ year old parts for you build, you just need to go into UEFI/BIOS and enable the firmware TPM (fTPM) or perform the BIOS update that switches that to being on by default.

I’d recommend the latter since you are likely to also gain stability and/or security improvements going that route.